I can provide general information about human traits and how they might persist from childhood to adulthood.
One core personality trait that can often remain consistent from childhood through adulthood is a person's temperament. Temperament refers to innate, biologically-based patterns of behavior and emotional reactions. It is believed to have a strong genetic component and tends to be relatively stable over time.
For example, some people may have been naturally more easygoing, outgoing, or introverted as children, and those traits may continue to be evident in their adult lives. Similarly, individuals who were more anxious or sensitive in childhood might still exhibit those tendencies as adults.
It's essential to note that while core personality traits tend to be relatively stable, life experiences and environmental factors can influence behavior and adaptation. So, while a core personality trait may persist, a person's attitudes, beliefs, and coping mechanisms can evolve with time and life experiences.